biotech

Biotech stock is very popular because it is in a growth cycle. As the world population ages, more medical treatment will be needed and preventative medicine is on the rise. Biotech etfs have many ways to select the stock they purchase and carry in their portfolios. It is easy to understand the popularity and profitability of these etfs.
There is a big difference in the way stock is selected in the biotech industry. One company selects every stock than reduces the numbers and carries only sto...